package org.apache.maven.project;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import java.util.ArrayList;
import java.util.List;

import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.model.Model;
import org.apache.maven.model.Repository;

/**
 * A stub implementation to bypass artifact resolution from repositories.
 * 
 * @author Benjamin Bentmann
 */
public class EmptyProjectBuildingHelper implements ProjectBuildingHelper {

  public List<ArtifactRepository> createArtifactRepositories(List<Repository> pomRepositories,
      List<ArtifactRepository> externalRepositories, ProjectBuildingRequest request) {
    if (externalRepositories != null) {
      return externalRepositories;
    } else {
      return new ArrayList<ArtifactRepository>();
    }
  }

  public ProjectRealmCache.CacheRecord createProjectRealm(MavenProject proejct, Model model,
      ProjectBuildingRequest request) {
    return new ProjectRealmCache.CacheRecord(null, null);
  }

  public void selectProjectRealm(MavenProject project) {
  }

}
